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Friday, November 16, 2012

Written by Cisco networking authority Todd Lammle, this comprehensive guide has been completely updated to reflect the latest CCNA 640–802 exam. This guide will not only help you prepare for the exam, but also give you a solid foundation as a Cisco networking professional.

Friday, November 9, 2012

I am really sorry for delay but its totally done. Please download document file first for information.

This is my collection of Cisco IOS for use with Dynamips.

The originals .bin files has been unzipped and renamed to .image, and recompressed with RAR to save disk space. Dynamips works better with an unzipped IOS,the router boot faster. You need to decompress the file with WinRar, UnRar, 7Zip, etc, to obtain the .image file and store it in the image folder.

This compilation includes several IOS for PIX (IOS and ASDM) and special IOS called Pagent and Callgen.

Pagent is a set of data networking test tools, based on the Cisco IOS (Internetwork Operating System) and developed within Cisco. The test tools are included in special IOSPagent images.

Callgen is a set of Voice-Over-IP networking test tools, based on the Cisco IOS and developed within Cisco. The test tools are included in special IOS Callgen images.

The primary function of the Pagent and Callgen toolsets is to provide cost effective test tools to the Cisco testing community. The secondary function is to provide testingcapabilities that are not available anywhere else and can be used in customer environments. One essential function is to generate valid simulated traffic necessary for testingnetworks under stress. The tools are not able to test the physical network layer and some parts of the data-link layer; that is, they can not affect frame checksums, preambles, interframe gap times, inject hardware failures, or transmit invalid packet sizes.

The Pagent programs are best used for testing layer 3 protocols and above; that is, emulating routing protocols, multicast, TCP sessions and HTTP sessions.

Pagent is an enhanced Cisco IOS image that contains both Advanced IP or IP Base Services and the IP traffic generation tools. Pagent generates realistic traffic and bottlenecks totest QoS features such as IP Classification, IP Marking, and Queuing.

CallGen is a Cisco IOS-based bulk call generation tool implemented through extensions to the regular Cisco IOS image, which provides commands and utilities used to simulateoriginating and terminating calls on routers and access servers.

The file "Patch for Dynamips.txt" contains the instructions for patch Dynamips (for use with Dynagen or GNS3) to use this IOS. In every folder, the TXT file includes the description ofall IOS: name, features and RAM memory in Mb.

Sunday, August 26, 2012

Dynagen is a text-based front-end for Dynamips, which uses the “Hypervisor” mode for communication with Dynamips. This can be the way to go if you do not want to install GNS3 for whatever reason. Dynagen is no longer officially maintained (official website here); however Dynagen is still updated and developed for GNS3, this means you can download GNS3 sources, find Dynagen and start it. We are going to provide a package one this page soon.